luff
- Noun. (nautical) The vertical edge of a sail that is closest to the direction of the wind.
- Verb. (nautical, of a sail) To shake due to being trimmed improperly.
- Verb. (nautical, of a boat) To alter course to windward so that the sails luff. (Alternatively ''luff up'').
- Verb. (nautical, transitive) to let out [a sail] so that it luffs.
- Verb. (context, mechanical) To alter the vertical angle of the jib of a crane so as to bring it level with the load.
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This entry was last updated on RefTopia from its source on 3/20/2012.